---
title: Cryptography
description: Learn how to use cryptography effectively in Sui smart contracts. 
keywords: [ signature verification, groth16, hashing, elliptic curve verifiable random function, ecvrf, multisig, multi-sig, ed25519 ]
pagination_prev: null
---

Effective use of cryptography keeps your smart contract transactions secure on the Sui blockchain. 

<Cards>
<Card title="Signature Verification" href="/guides/developer/cryptography/signing">
</Card>
<Card title="Groth16" href="/guides/developer/cryptography/groth16">
</Card>
<Card title="Hashing" href="/guides/developer/cryptography/hashing">
</Card>
<Card title="Elliptic Curve Verifiable Random Function (ECVRF)" href="/guides/developer/cryptography/ecvrf">
</Card>
<Card title="Multisig" href="/guides/developer/cryptography/multisig">
</Card>
<Card title="zkLogin Integration Guide" href="/guides/developer/cryptography/zklogin-integration" />
</Cards>

